441421451 has 4 divisors (see below), whose sum is σ = 460613712. Its totient is φ = 422229192.

The previous prime is 441421423. The next prime is 441421469. The reversal of 441421451 is 154124144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441421451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 441421451.

It is not an unprimeable number, because it can be changed into a prime (441421411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9596096 + ... + 9596141.

It is an arithmetic number, because the mean of its divisors is an integer number (115153428).

Almost surely, 2^441421451 is an apocalyptic number.

441421451 is a deficient number, since it is larger than the sum of its proper divisors (19192261).

441421451 is a wasteful number, since it uses less digits than its factorization.

441421451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19192260.

The product of its digits is 2560, while the sum is 26.

The square root of 441421451 is about 21010.0321513319. The cubic root of 441421451 is about 761.4086587928.

Adding to 441421451 its reverse (154124144), we get a palindrome (595545595).

The spelling of 441421451 in words is "four hundred forty-one million, four hundred twenty-one thousand, four hundred fifty-one".